Toro TimeCutter ZS 4200, Руководство оператора

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Figure 56
1. Sail area of blade 4. Blade bolt
2. Blade 5. Blade stiffener (Models
with 42 inch decks only)
3. Curved washer
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both ends of
the blade (Figure 57). Maintain the original angle. The
blade retains its balance if the same amount of material
is removed from both cutting edges.
Figure 57
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Figure 58). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the end of
the sail area only (Figure 57). Repeat this procedure
until the blade is balanced.
Figure 58
1. Blade 2. Balancer
Installing the Blades
1. Install the blade onto the spindle shaft (Figure 56).
Important:
The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
2. Install the blade stiffener, the curved washer (cupped
side toward the blade) and the blade bolt (Figure 56).
3. Torque the blade bolt to 35-65 ft-lb (47-88 N-m).
Leveling the Mower Deck
Check to ensure the mower deck is level any time you install
the mower or when you see an uneven cut on your lawn.
The mower deck must be checked for bent blades prior to
leveling; any bent blades must be removed and replaced. Refer
to the Checking for Bent Blades procedure before continuing.
The mower deck must be leveled side-to-side first then the
front to rear slope can be adjusted.
Requirements:
•
The machine must be on a level surface.
•
All four tire must be properly inflated. Refer to Checking
the Tire Pressure in the Drive System Maintenance
section.
Side-to-Side Leveling
1. Park the machine on a level surface and disengage the
blade control switch.
2. Move the motion control levers outward to the park
position, stop the engine, remove the key, and wait for
all moving parts to stop before leaving the operating
position.
3. Set the height-of-cut lever to middle position.
4. Carefully rotate the blades so that they are all side to
side (Figure 59 and Figure 60).
G009682
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Figure 59
Mower Decks with 2 Blades
1. Blades side to side
3. Outside cutting edges
2. Sail area of blade 4. Measure from the tip of the
blade to the flat surface
here
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